Senior Security Controls Assessor - Contingent

McLean, Virginia, US remote Until 9/14/2026 3+ years exp H-1B sponsor history First posted July 16, 2026 Last posted July 16, 2026
Job description

Public Trust Eligibility Required
This is a contingent position, meaning employment is dependent upon the successful award of the associated contract to Aretum and completion of any required background investigation or security clearance verification. 

About Aretum

Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront.

Job Summary 

Aretum is seeking a Senior Security Controls Assessor. As a Senior Security Controls Assessor, you will be responsible for conducting comprehensive security assessments of information systems to ensure compliance with applicable security controls and regulations.

Due to the nature of our work as a federal consulting organization, employees may be expected to handle Controlled Unclassified Information (CUI) and must adhere to applicable safeguarding and compliance requirements.  

Responsibilities

  • Independently perform all aspects of the security controls assessment in alignment with NIST 800-53 Revision 5
  • Ensure comprehensive understanding and application of ATO documentation requirements
  • Coordinate all aspects of testing with relevant stakeholders and team lead
  • Develop a security assessment plan with input from stakeholders
  • Conduct and lead assessment interviews and tests and manage evidence
  • Provide insightful recommendations to improve security posture

Requirements

  • Minimum of 3 years leading security controls assessments
  • Experience performing assessments while supporting the federal government
  • Proficient understanding of NIST RMF
  • Expertise in NIST 800-53 Rev 5
  • Understanding of the ATO process
  • Strong communication and task management skills

Preferred Qualifications 

  • BA/BS degree, Information Security or Related
  • Certifications: CISSP, CISM, CISA, or equivalent
  • CSAM/JCAM Experience

Travel Requirements

This is a remote position; however, occasional travel may be required based on project needs, client meetings, team collaboration events, or training sessions. Travel is expected to be less than 10% and will be communicated in advance whenever possible. 

EEO Statement

Aretum is committed to fostering a workplace rooted in excellence, integrity, and equal opportunity for all. We adhere to merit-based hiring practices, ensuring that all employment decisions are made based on qualifications, skills, and ability to perform the job, without preference or consideration of factors unrelated to job performance. 

As an Equal Opportunity Employer, Aretum complies with all applicable federal, state, and local employment laws. 

We are proud to support our nation’s veterans and military families, providing career opportunities that honor their service and experience. 

If you require reasonable accommodation during the hiring process due to a disability, please contact [email protected] for assistance. 

Equal Opportunity Employer/Veterans/Disabled

U.S. Work Authorization

Due to federal contract requirements, only U.S. citizens are eligible for this position. This position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency’s background investigation requirements.  

Benefits

  • Health Care Plan (Medical, Dental & Vision)   
  • Retirement Plan (401k)  
  • Life Insurance (Basic, Voluntary & AD&D)   
  • Paid Time Off  
  • Family Leave (Maternity, Paternity)   
  • Short Term & Long-Term Disability   
  • Training & Development 
About this role

Summary

Conduct security assessments to ensure compliance with NIST standards for federal systems.

Job title

Senior Security Controls Assessor - Contingent

Experience level

3+ years

Minimum experience

3+ years exp

Industry

defense

Location requirements

Remote position, occasional travel less than 10% allowed. US citizens only.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

security assessmentsNIST 800-53NIST RMFATO processsecurity controls

Preferred skills

CISSPCISMCISACSAMJCAM

Specializations

security assessmentsNIST 800-53NIST RMFsecurity compliance
Locations

Structured locations inferred from the posting.

Virginia, USA

Remote State